[Introduction]：E280-2G4T12S is a wireless serial port module (UART) based on SEMTECH's SX1280 RF chip, transparent transmission mode, working in 2.4GHz frequency band, with LoRa, FLRC and GFSK three modulation and demodulation technologies, TTL level output, compatible with 3.3 IO port voltage of V and 5V.
Brand Name:EBYTE
Origin:Mainland China
Condition:New
Type:LoRa Wireless Module
Type:
Model Number:E280-2G4T12S
Operating Temperature:-40℃-85℃
Application:Smart home,Smart Industry
Weight :2.33g
Package:SMD
Type:UART LoRa Wireless Module
Power supply voltage:Max:5.5V
Blocking power:Max:10dBm
Working Voltage:Typ5.0V
Communication level:Typ3.3
Operating frequency(MHz):2400-2500
| Main Parameters | Description | Remark |
|---|---|---|
| Reference distance | 3000m | Clear and open environment,antenna gain 5dBi,antenna height 2.5 meters,air rate 1kbps |
| Launch length | 121 Btye 221 Btye |
Normal mode,using 1Mbps airspeed Continuous transmission mode |
| Interface method | 1.27mm | - |
| Modulation | GFSK LoRa FLRC |
- |
| Communication Interface | UART Serial port | TTL Level |
| Encapsulation method | SMD | - |
| Dimensions | 17.5*28.7mm | - |
| Antenna interface | IPEX/PCB | Equivalent impedance is about 50Ω |
| Main Parameters | Min | Type | Max | Unit | Remark |
|---|---|---|---|---|---|
| Working voltage | 2.3 | 5 | 5.5 | V | ≥5.0V can guarantee output power |
| Communication level | - | 3.3 | - | V | Using 5V TTL is risky to burn |
| Working temperature | -40 | - | +85 | ℃ | ndustrial design |
| Working frequency | 2400 | - | 2500 | MHz | Support ISM frequency band |
| Emission current | - | 46 | - | mA | Instantaneous power consumption |
| Receiving current | - | 20 | - | mA | - |
| Sleep current | - | 8 | - | μA | Software shutdown |
| Maximum transmit power | 11.5 | 12 | 13.5 | dBm | - |
| Receiving sensitivity | -130 | -132 | -134 | dBm | Air rate is 1kbps |
| Air rate | 1k | 1k | 2M | bps | User programming control |
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